Most pigeons should return if just coop flown. It is the homers that will return from long distances.
Rollers and High flyers get trained to return to you with a portable loft/cage if you are away from home at a showing competition. If they were homers they would bolt straight home once you...
My first group/flock of homers did encounter a hawk chase, but were good enough fliers to out-fly the hawk. They returned after a number of hours.
My second batch/flock, of homers were @#$%^& mutts. :gig They were pretty, but not very smart. AKA lousy bloodline. Did get them low price BTW...